Radicals ( Radical374) seventeen strokes in Kanji;

dimensional, e.g.


directional, e.g.

Directional Gravity Pressure (its kan Weight) As System Security;

Sound Pressure Level (its SPL) As System Security;

electronic piano keys as its system security ... ;

logical, e.g.

in Hiragana: key;

in Hiragana: piano key;

in Kanji: key;

in Katakana: key (cay, clue, island, keyboard, lock, piano) ... ;

numerological, e.g.



structural, e.g.

(key and lock) i.e. instrument, for example: particular lock doko WHERE key can be inserted, And Then, to close the instrument, or to open the instrument;

Special Radical 253 (Device Manager (devices)) via computer keyboard, microphone, telephone keypad, Wireless, ... , entering data to operate (lock, unlock) ... ;

metal radical (gold);